Senior Platform Engineer

Ironsite AI•San Francisco, CA

3d•Onsite

About The Position

We're seeking an exceptional Member of Technical Staff to help build out our Platform. You'll build and scale core platform features that transform how construction teams manage safety, productivity and workforce development for their frontline craftworkers. You'll own critical initiatives that directly impact thousands of construction workers and dozens of major contractors.

Requirements

4+ years of experience in full-stack platform development and distributed systems in production environments
Deep expertise in backend technologies (Node.js, PostgreSQL, Redis) and modern web frameworks
Strong background in real-time data processing, analytics platforms, and API design
Production experience with cloud infrastructure (AWS), microservices architecture, and high-scale data pipelines
Systems thinking for end-to-end platform architecture and cross-team integration
Experience building B2B SaaS platforms for operational or industrial environments
Understanding of workforce management systems, safety compliance software, and project management tools
Background in developing user interfaces for non-technical users in field environments
Knowledge of data privacy regulations, enterprise security requirements, and API best practices

Nice To Haves

Advanced degree (M.S./Ph.D.) in Computer Science, Software Engineering, or related field with focus on distributed systems
Experience with construction management software, HR tech platforms, or similar enterprise workflow tools
Background in building analytics dashboards, reporting systems, and business intelligence platforms
Publications or experience in workforce analytics, safety technology, or industrial IoT platforms
Experience with construction, manufacturing, or similar operational industries

Responsibilities

Time + Attendance Automation: Build automated timesheet systems with text-based dispatch, pre-shift roll call, and streamlined time entry workflows for construction workers in the field
Project Management Dashboard: Build comprehensive project roadmap views that show project sequence, man-loaded schedules, and crew distribution to help superintendents easily track if projects are on target
Incentives + Rewards: Develop gamified reward systems that motivate construction workers through milestone achievements and skill-based recognition programs, ultimately driving more money in their pockets
Training + Skills: Build comprehensive learning management systems that identify skill gaps and deliver personalized training recommendations and certification tracking
Integrations + API: Design robust API infrastructure and third-party integrations that connect Ironsite with existing construction management tools, HR systems, and industry-standard platforms